The balance sheet — which shows a company’s assets and liabilities — is a logical starting point for valuing certain types of businesses. The cost (or asset) approach specifically focuses on this part of a company’s financial statements. Here’s an overview to help you understand this valuation technique. How does it work? When valuation professionals apply the cost approach, they convert the book values reported on the balance sheet to their respective fair market values. There are three key reasons that book value may not reflect fair market value to a hypothetical buyer or seller: 1. Use of historic cost. Under U.S. Generally Accepted Accounting Principles (GAAP), assets are recorded at historic cost. Over time, historic cost may understate market value for appreciable assets, such as marketable securities...